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Simplifying
49 + -100a2 = 0
Solving
49 + -100a2 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-49' to each side of the equation.
49 + -49 + -100a2 = 0 + -49
Combine like terms: 49 + -49 = 0
0 + -100a2 = 0 + -49
-100a2 = 0 + -49
Combine like terms: 0 + -49 = -49
-100a2 = -49
Divide each side by '-100'.
a2 = 0.49
Simplifying
a2 = 0.49
Take the square root of each side:
a = {-0.7, 0.7}
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